CA2292577A1 - Polysilicate microgels and silica-based materials - Google Patents

Polysilicate microgels and silica-based materials Download PDF

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Publication number
CA2292577A1
CA2292577A1 CA002292577A CA2292577A CA2292577A1 CA 2292577 A1 CA2292577 A1 CA 2292577A1 CA 002292577 A CA002292577 A CA 002292577A CA 2292577 A CA2292577 A CA 2292577A CA 2292577 A1 CA2292577 A1 CA 2292577A1
Authority
CA
Canada
Prior art keywords
polysilicate
ion
aqueous silicate
salt
microgels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002292577A
Other languages
French (fr)
Other versions
CA2292577C (en
Inventor
Michael Persson
Marek Tadeusz Tokarz
Rein Sikkar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzo Nobel NV
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SE9702207A external-priority patent/SE9702207D0/en
Application filed by Individual filed Critical Individual
Priority to CA002481870A priority Critical patent/CA2481870C/en
Publication of CA2292577A1 publication Critical patent/CA2292577A1/en
Application granted granted Critical
Publication of CA2292577C publication Critical patent/CA2292577C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/141—Preparation of hydrosols or aqueous dispersions
    • C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
    • C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/545—Silicon compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch cationic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Silicon Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Silicon Polymers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The present invention relates to polysilicate microgels, their preparation and use in paper making and water purification, the polysilicate microgels being obtainable by a process which comprises bringing into contact (i) particles of a salt AB with an aqueous silicate or polysilicate solution, (ii) an ion A with an ion B in the presence of an aqueous silicate or polysilicate solution, whereby the salt AB is precipitating in the aqueous phase, or (iii) an ion A with an ion B in the presence of an aqueous silicate or polysilicate solution, whereby the ions A
and B represent ions of a precipitable salt AB having a pK s value of at least 4, measured at 20 °C in water. The invention further relates to aqueous silicate or polysilicate solutions, their preparations and use as precursors for polysilicate microgels. The aqueous silicate or polysilicate solutions contain an ion A which is calcium or magnesium, wherein the molar ratio of SiO2:A is less than 2000:1 and higher than 1:1, or an ion B which is carbonate, sulfate or phosphate, wherein the molar ratio is SiO2:B is less than 2000:1 and higher than 1:1.
CA002292577A 1997-06-09 1998-06-08 Polysilicate microgels and silica-based materials Expired - Fee Related CA2292577C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002481870A CA2481870C (en) 1997-06-09 1998-06-08 Polysilicate microgels and silica-based materials

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US4910597P 1997-06-09 1997-06-09
SE9702207-3 1997-06-09
SE9702207A SE9702207D0 (en) 1997-06-09 1997-06-09 Polysilcate microgels and silica-based materials
EP97850092.4 1997-06-09
US60/049,105 1997-06-09
EP97850092 1997-06-09
EP97850101.3 1997-06-19
EP97850101 1997-06-19
EP97850109.6 1997-07-04
EP97850109 1997-07-04
PCT/SE1998/001102 WO1998056716A1 (en) 1997-06-09 1998-06-08 Polysilicate microgels and silica-based materials

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002481870A Division CA2481870C (en) 1997-06-09 1998-06-08 Polysilicate microgels and silica-based materials

Publications (2)

Publication Number Publication Date
CA2292577A1 true CA2292577A1 (en) 1998-12-17
CA2292577C CA2292577C (en) 2005-02-08

Family

ID=27514434

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002481870A Expired - Fee Related CA2481870C (en) 1997-06-09 1998-06-08 Polysilicate microgels and silica-based materials
CA002292577A Expired - Fee Related CA2292577C (en) 1997-06-09 1998-06-08 Polysilicate microgels and silica-based materials

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002481870A Expired - Fee Related CA2481870C (en) 1997-06-09 1998-06-08 Polysilicate microgels and silica-based materials

Country Status (15)

Country Link
US (1) US6673208B2 (en)
EP (1) EP0989956B1 (en)
JP (1) JP3487511B2 (en)
KR (1) KR100372358B1 (en)
CN (1) CN1321887C (en)
AT (1) ATE550298T1 (en)
AU (1) AU736396B2 (en)
BR (1) BR9811257A (en)
CA (2) CA2481870C (en)
ES (1) ES2383951T3 (en)
ID (1) ID23976A (en)
NO (1) NO329169B1 (en)
PT (1) PT989956E (en)
RU (1) RU2189351C2 (en)
WO (1) WO1998056716A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1621518T3 (en) * 1997-06-09 2010-11-22 Akzo Nobel Nv polysilicate
PL201407B1 (en) 1999-05-04 2009-04-30 Akzo Nobel Nv Silica-based sols
US7169261B2 (en) 1999-05-04 2007-01-30 Akzo Nobel N.V. Silica-based sols
US6379501B1 (en) * 1999-12-14 2002-04-30 Hercules Incorporated Cellulose products and processes for preparing the same
ATE361267T1 (en) * 2002-05-31 2007-05-15 Sabalo N V AQUEOUS SOLUTION OF NON-COLLOID SILICIC ACID AND BORIC ACID
US7732495B2 (en) 2004-04-07 2010-06-08 Akzo Nobel N.V. Silica-based sols and their production and use
US7629392B2 (en) 2004-04-07 2009-12-08 Akzo Nobel N.V. Silica-based sols and their production and use
FI120318B (en) * 2004-06-23 2009-09-15 M Real Oyj Silicon containing starch composites, process for making them and use in making paper and paperboard
DE102004049012A1 (en) * 2004-10-05 2006-04-06 Lanxess Deutschland Gmbh Use of amino groups-, sulfonicacid-groups and mercapto groups containing layer silicate as micro particles in the paper preparation (in retention)
NZ537747A (en) * 2005-01-18 2008-02-29 Victoria Link Ltd Nano-structured silicate, functionalised forms thereof, preparation and uses
US9017649B2 (en) * 2006-03-27 2015-04-28 Nalco Company Method of stabilizing silica-containing anionic microparticles in hard water
DK1982759T3 (en) * 2007-03-21 2012-01-02 Omya Development Ag Surface treated calcium carbonate and its use for wastewater treatment
WO2009127256A1 (en) * 2008-04-17 2009-10-22 Jisbrey, S.A Hydronium stabilized and dissoluble silicic acid nanoparticles: preparation, stabilization and use
US8377194B2 (en) 2010-04-08 2013-02-19 Nalco Company Sulfur containing silica particle
US8936772B2 (en) 2010-04-08 2015-01-20 Ecolab Usa Inc. Silica containing particle
US8333835B2 (en) 2010-04-08 2012-12-18 Nalco Company Sulfur containing silica particle
WO2013052876A1 (en) 2011-10-07 2013-04-11 Nalco Company Gas stream treatment process
SE537737C2 (en) * 2013-03-01 2015-10-06 Stora Enso Oyj In-Line Preparation of Silica for Retention Purposes in Paper or Cardboard Manufacturing Process
CN103435112A (en) * 2013-08-26 2013-12-11 苏州富奇诺水治理设备有限公司 Silicon dioxide-containing wastewater treatment agent
FI128012B (en) * 2016-03-22 2019-07-31 Kemira Oyj A system and method for manufacture of paper, board or the like
CN106587312B (en) * 2016-11-22 2019-04-19 浙江赛维环保科技有限公司 A kind of preparation method of sodium metasilicate modified hydrophobic cellulose base flocculant

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Also Published As

Publication number Publication date
NO996056D0 (en) 1999-12-08
BR9811257A (en) 2000-07-18
ID23976A (en) 2000-06-14
CA2292577C (en) 2005-02-08
KR20010013232A (en) 2001-02-26
NO996056L (en) 2000-02-01
KR100372358B1 (en) 2003-02-17
CA2481870C (en) 2009-05-05
NO329169B1 (en) 2010-09-06
EP0989956A1 (en) 2000-04-05
PT989956E (en) 2012-06-25
ATE550298T1 (en) 2012-04-15
WO1998056716A1 (en) 1998-12-17
CN1321887C (en) 2007-06-20
JP3487511B2 (en) 2004-01-19
AU8048998A (en) 1998-12-30
CA2481870A1 (en) 1998-12-17
ES2383951T3 (en) 2012-06-27
AU736396B2 (en) 2001-07-26
JP2001506224A (en) 2001-05-15
US6673208B2 (en) 2004-01-06
RU2189351C2 (en) 2002-09-20
EP0989956B1 (en) 2012-03-21
US20020179267A1 (en) 2002-12-05
CN1259922A (en) 2000-07-12

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Effective date: 20150608